Host–pathogen interaction in HIV infection
2013
Chowdhury, Ankita | Silver,
The host-pathogen interaction is strikingly complex during HIV infection. While several immune effector mechanisms (i.e. cytotoxic T cells, neutralizing antibodies, NK cells, among others) can play a strong antiviral role in vivo, the virus is remarkably able to evade these responses. In addition, the virus preferentially infects and kills activated memory CD4+ T cells, thus exploiting the host antiviral immune response as a source of new cellular targets for infection. Recent advances in understanding (i) how HIV perturbs the host immune system, (ii) how the immune system fights HIV; and (iii) how HIV disease persists when virus replication is suppressed by antiretroviral drugs may hopefully lead to better prevention and treatment strategies for this deadly viral infection.
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